<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>下拉列表</title>
</head>
<body>
    <form action="get/post">
        <select>
            <option value="male" selected="selected">男</option>
            <option value="female">女</option>
        </select>
    </form>
</body>
</html>